Aviation navigational aid pen



FIG. 1 is a first side elevation of a pen showing my new design;

FIG. 2 is a second side elevation of the subject pen;

FIG. 3 is a third side elevation of the subject pen;

FIG. 4 is a first end elevation of the subject pen;

FIG. 5 is a second opposite end view of the subject pen; and,

FIG. 6 is an isometric view of the subject pen. 

I claim the ornamental design for an aviation navigational aid pen, as shown and described. 